Cisco ENNA 300-445 case studies
Cisco ENNA 300-445 · Put your knowledge to work in context.
The Cisco ENNA 300-445 exam is a concentration exam in Cisco's associate-level certification track that focuses on enterprise networking, security, and automation. It is aimed at candidates who already hold foundational networking knowledge and want to demonstrate practical skills across routing and switching, WAN access, network security controls, and programmatic network management. The Cisco ENNA 300-445 case studies are 5 cases and about 4,915 words.
1Root Bridge Left in a Lab Switch After a Migration
Northwind's campus has three buildings - A, B and C - each with a pair of Catalyst 9500 distribution switches and 24 Catalyst 9200 access switches. RSTP runs everywhere; MST is not used.
1,007 words, about 5 min2Warehouse Wi-Fi: Scanner Roaming and a Renewed Internal CA
A 60,000 m² distribution centre uses 38 Catalyst 9130 APs on a 9800-L controller. All APs use 80 MHz channels on 5 GHz, and 2.4 GHz is still broadcasting.
1,027 words, about 5 min3OSPF Stuck in EXSTART, Unsummarised Branches and a Static That Never Installed
Brightline runs OSPF between HQ and two branches over point-to-point fibre. HQ is area 0; Branch-1 and Branch-2 are in area 1, with HQ-EDGE-1 acting as ABR.
964 words, about 5 min4ISE Policy Reorder, CoA That Fails on Old Switches and a Mixed SGT Estate
A regional hospital runs 6,400 switch ports across 210 Catalyst 9200 and 40 Catalyst 2960X switches. ISE 3.2 provides 802.1X EAP-TLS for 5,000 managed workstations, MAB for 900 printers and badge readers, and a CWA redirect for unknown devices.
991 words, about 5 min5RESTCONF Script Breaks After an IOS-XE Upgrade
A team manages 220 Catalyst 9200 switches running IOS-XE 17.9.4 through Catalyst Center 2.3.7. Their Python script uses RESTCONF to read interface counters and to push standard NTP and logging configuration to newly onboarded switches, addressing the native model directly.
926 words, about 5 min